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3 years ago

Help plzzzz what is the value of x

Mathematics

2 answers:

harina [27]3 years ago

5 0

Answer is x=13.
basically you put them together and make them =180

Andre45 [30]3 years ago

4 0

Answer:

the interior angles of any triangle are equal to 180.

In other words m<BAC + m<ABC + m<ACB = 180.

Therefore,

(3x-1) + (8x-35) + (6x-5) = 180

Now that we have an equation, we can solve for x:

(3x-1) + (8x-35) + (6x-5) = 180

Combine like terms:

3x+8x+6x-1-35-5

17x-41 = 180

Add 41 to each side:

17x-41+41 = 180+41

17x=221

Divide by 17 on both sides:

x=13

Now to check if this is correct we need to plug in x for each equation and the three numbers combined should equal 180.

3x-1

3(13)-1

6x-5

6(13)-5

78-5

8x-35

8(13)-35

104-35

Now we just add them to see if they equal 180

38+73+69 = 180

x=13 is valid

Step-by-step explanation:

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